17-19 GM Duramax L5P GDP HIgh Flow Cleanable DPF Replacement Filter Automatic these injectors will work alongside

these injectors will work alongside existing stock spec injectors

4500 chassis

We even have install videos for many popular applications below

(1) 4" - 4

17-19 GM Duramax L5P GDP HIgh Flow Cleanable DPF Replacement Filter Automatic these injectors will work alongsideReplace your factory DPF with our new GDP serviceable High Flow DPF. DPFs are inevitably a replacement part and eventually fail. Our High Flow DPFs flow better than stock to help you create more power, all while looking good. These kits have the ability to be serviced and cleaned up to 10 times, which is a lot more than can be said for a forced regen from your local dealership.